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Compared to my big, beloved EF 100-400mm f/4.5-5.6L IS II, this RF 100-400 is just as spectacularly sharp and focuses as blindingly fast, and the RF lens is less than half the weight (635g versus 1,550g) and less than one-third the price ($649 versus $2,399)!
- RF 100-500Mm L Is
Versus the RF 100-400mm IS USM. Canon RF 100-400mm f/5.6-8...
- 1.4× Extender
Like all 1.4× teleconverters, it multiplies the lens' focal...
- RF 100-500Mm L Is
Nov 23, 2021 · The RF 100-400mm joins a powerful yet easily manageable pair of RF 600mm F11 IS STM and RF 800mm F11 IS STM primes, along with the more pro-spec Canon RF 100-500mm f/4.5-7.1 IS USM zoom lens.
The RF 100-400mm f/5.6-8 IS USM is a lens many owners of Canon’s EOS R cameras have been waiting for. Although not particularly fast, it has a winning combination of light weight, easy handling, sharp focusing and a competitive price tag.
- Build Quality
- Image Quality
- Autofocus
- A Telephoto Zoom For The Everyday Photographer
The Canon RF 100-400mm f/5.6-8 IS USMfull-frame telephoto zoom lens measures 3.13 by 6.48 inches (7.95 by 16.46 centimeters). The length physically extends all the way out to 9.75 inches (24.76 centimeters) when zoomed to 400mm. Since the weight of the lens is spread across a longer distance than shorter, standard zooms, it is certainly lighter tha...
Regardless of its high-quality operation, it’s the images it produces that will be the lasting mark of a lens. First things first, I tested the sharpness of the lens at both 100mm and 400mm. At 100mm, the lens can shoot wide open at f/5.6 where it is adequately sharp. However, f/9 is where center sharpness is at its peak. When shooting for maximum ...
I used the RF 100-400mm f/5.6-8 IS USM mounted on the EOS R3, Canon’s best autofocus performer, to try and eliminate the camera as a variable as much as possible during autofocus testing. The RF 100-400mm uses a nano ultrasonic motor (Nano USM) for autofocus and I found it to be nearly silent. In simple shooting scenarios where it was asked to move...
With the RF 100-400mm, I see the fruits of a long line of Canon lens development. I’m happy I had the chance to use the lens because it’s quite easy to dismiss. It’s small and light in a way that makes you question the optics, it has maximum apertures way down at f/5.6 for 100mm and f/8 at 400mm that are slow by anyone’s standard, and it’s priced a...
Feb 19, 2016 · Canon's Nano USM focusing motors have so far been used in the EF 18-135mm f/3.5-5.6 IS USM and EF 70-300mm f/4-5.6 IS II USM lenses. It is a type of AF motor that, like Ring USM, uses micro-piezo vibrations to move the lens focus elements.
Nov 10, 2011 · What does this mean, and why or why do I not want it? USM uses Ultrasonic wave to move the lens quicker to achieve more precise focusing. Unlike the traditional old fashion magnetic lens, USM is quieter and less friction during the lens movement, thus it does not waste energy/battery by creating human audible noise.
People also ask
What is a USM lens?
Is the Canon RF 100-400mm f/5.6-8 IS USM a good lens?
Which Canon lenses have USM technology?
Which RF Tele F2.8 F4L IS USM?
Which lens is better STM or USM?
Why should you buy a USM lens?
The Canon ultrasonic USM technology is recognized for its quick, precise, and quiet autofocus operation. This makes USM lenses particularly suitable for photography and videography where speed, accuracy, and low noise are essential.
